California Code, Health and Safety Code - HSC § 116761.51

(a) As a condition of receiving construction financing under this article for work performed at the City of San Diego's North City Water Reclamation Plant, North City Pure Water Facility, or any other portion of the Pure Water San Diego Program, an applicant shall ensure that any construction contract awarded on or after January 1, 2020, for any phase of the Pure Water San Diego Program, including, but not limited to, expanding or modifying wastewater conveyance, detention, or treatment processes at the North City Water Reclamation Plant, work on the North City Pure Water Facility or the adjacent Pure Water Pump Station, or work on any other portion of the Pure Water San Diego Program, requires the contractor to enter into a project labor agreement that meets the requirements of Section 2500 of the Public Contract Code.

(b) The condition on receiving construction financing imposed pursuant to this section shall remain in effect only until completion of all phases of the Pure Water San Diego Program.